3WL1240-4NG77-4GA4-ZF23F37K07R21T40

Product ID:185349
Updated: 2026/4/20
Siemens 3WL1240-4NG77-4GA4-ZF23F37K07R21T40

Key Features

  • 1Handle currents up to 6300 A AC and 4000 A DC with full IEC compliance. 2、Retrofit modules easily for Electronic Trip Units and sensors. 3、Integrate seamlessly via PROFINET IO, PROFIBUS DP, Modbus TCP/RTU. 4、Ensure climate-proof operation meeting IEC 60068-2-30 standards. 5、Apply in non-residential, residential, and industrial buildings.
Product Details
3WL1240-4NG77-4GA4-ZF23F37K07R21T40
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1240-4NG77-4GA4-ZF23F37K07R21T40

Specifications may be subject to change without notice